EP4270422A4 - FERRITE SHEET TAPE, AND ANTENNA DEVICE AND CABLE USING FERRITE SHEET TAPE - Google Patents
FERRITE SHEET TAPE, AND ANTENNA DEVICE AND CABLE USING FERRITE SHEET TAPE Download PDFInfo
- Publication number
- EP4270422A4 EP4270422A4 EP21914974.7A EP21914974A EP4270422A4 EP 4270422 A4 EP4270422 A4 EP 4270422A4 EP 21914974 A EP21914974 A EP 21914974A EP 4270422 A4 EP4270422 A4 EP 4270422A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- ferrite sheet
- sheet tape
- cable
- antenna device
- tape
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/342—Oxides
- H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/10—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials non-metallic substances, e.g. ferrites, e.g. [(Ba,Sr)O(Fe2O3)6] ferrites with hexagonal structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2208—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems
- H01Q1/2225—Supports; Mounting means by structural association with other equipment or articles associated with components used in interrogation type services, i.e. in systems for information exchange between an interrogator/reader and a tag/transponder, e.g. in Radio Frequency Identification [RFID] systems used in active tags, i.e. provided with its own power source or in passive tags, i.e. deriving power from RF signal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/04—Screened antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
- H01Q7/08—Ferrite rod or like elongated core
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0073—Shielding materials
- H05K9/0075—Magnetic shielding materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/02—Cables with twisted pairs or quads
- H01B11/06—Cables with twisted pairs or quads with means for reducing effects of electromagnetic or electrostatic disturbances, e.g. screens
- H01B11/10—Screens specially adapted for reducing interference from external sources
- H01B11/1025—Screens specially adapted for reducing interference from external sources composed of a helicoidally wound tape-conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Aerials (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020218440 | 2020-12-28 | ||
| PCT/JP2021/038743 WO2022145113A1 (en) | 2020-12-28 | 2021-10-20 | Ferrite sheet strip, and antenna device and cable using ferrite sheet strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4270422A1 EP4270422A1 (en) | 2023-11-01 |
| EP4270422A4 true EP4270422A4 (en) | 2024-10-23 |
Family
ID=82260327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21914974.7A Pending EP4270422A4 (en) | 2020-12-28 | 2021-10-20 | FERRITE SHEET TAPE, AND ANTENNA DEVICE AND CABLE USING FERRITE SHEET TAPE |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US12505942B2 (en) |
| EP (1) | EP4270422A4 (en) |
| JP (1) | JPWO2022145113A1 (en) |
| KR (1) | KR102858037B1 (en) |
| CN (1) | CN116670933A (en) |
| WO (1) | WO2022145113A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118872006A (en) * | 2022-03-09 | 2024-10-29 | 户田工业株式会社 | Long strip ferrite sheet, cable using the same, and method for manufacturing antenna device using the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9391363B2 (en) * | 2012-12-21 | 2016-07-12 | Samsung Electro-Mechanics Co., Ltd. | Multilayer ferrite sheet, antenna device using the same, and manufacturing method thereof |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5424703A (en) * | 1992-05-08 | 1995-06-13 | The Electrodyne Company, Inc. | Magnetization of permanent magnet strip materials |
| JPH11220310A (en) * | 1997-10-15 | 1999-08-10 | Hitachi Metals Ltd | Nonreversible circuit element |
| JP3230492B2 (en) * | 1998-08-10 | 2001-11-19 | 株式会社村田製作所 | Dielectric line non-reciprocal circuit element and wireless device |
| JP4793521B2 (en) * | 2001-02-19 | 2011-10-12 | 大日本印刷株式会社 | Radio wave absorber |
| WO2006129704A1 (en) * | 2005-06-03 | 2006-12-07 | Murata Manufacturing Co., Ltd. | Ferrite sheet and process for producing the same |
| JP4608474B2 (en) * | 2006-11-10 | 2011-01-12 | 北川工業株式会社 | Composite magnetic member |
| JP4936391B2 (en) | 2007-11-07 | 2012-05-23 | 北川工業株式会社 | Ceramic sheet |
| JP4868461B2 (en) | 2007-11-12 | 2012-02-01 | 北川工業株式会社 | Noise absorber |
| JP5070353B1 (en) * | 2011-04-08 | 2012-11-14 | 株式会社Maruwa | Ferrite composite sheet, method for producing the same, and sintered ferrite piece used for such ferrite composite sheet |
| US11646152B2 (en) * | 2016-11-25 | 2023-05-09 | Auckland Uniservices Limited | Current distribution and thermal regulation in inductive power transfer coupling structures |
| DE102017205003B4 (en) * | 2017-03-24 | 2023-02-02 | Siemens Aktiengesellschaft | circuit breaker |
| JP2019114611A (en) | 2017-12-21 | 2019-07-11 | Ntn株式会社 | Cable noise filter |
| US20210001733A1 (en) * | 2018-02-23 | 2021-01-07 | Industrieanlagen-Betriebsgesellschaft Mbh | Device for generating a magnetic field, in particular for an inductive charging system, and primary device of an inductive charging system for dynamically charging vehicles |
| KR102175378B1 (en) * | 2018-03-13 | 2020-11-06 | 주식회사 아모센스 | Wide area type composite magnetic field Shielding sheet and wireless power transfer module including the same |
-
2021
- 2021-10-20 JP JP2022572919A patent/JPWO2022145113A1/ja active Pending
- 2021-10-20 KR KR1020237025346A patent/KR102858037B1/en active Active
- 2021-10-20 EP EP21914974.7A patent/EP4270422A4/en active Pending
- 2021-10-20 CN CN202180087606.1A patent/CN116670933A/en active Pending
- 2021-10-20 US US18/259,580 patent/US12505942B2/en active Active
- 2021-10-20 WO PCT/JP2021/038743 patent/WO2022145113A1/en not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9391363B2 (en) * | 2012-12-21 | 2016-07-12 | Samsung Electro-Mechanics Co., Ltd. | Multilayer ferrite sheet, antenna device using the same, and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022145113A1 (en) | 2022-07-07 |
| EP4270422A1 (en) | 2023-11-01 |
| TW202226278A (en) | 2022-07-01 |
| US20240055167A1 (en) | 2024-02-15 |
| KR102858037B1 (en) | 2025-09-09 |
| JPWO2022145113A1 (en) | 2022-07-07 |
| US12505942B2 (en) | 2025-12-23 |
| CN116670933A (en) | 2023-08-29 |
| KR20230125264A (en) | 2023-08-29 |
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| EP4102641A4 (en) | ANTENNA DEVICE |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20230728 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| A4 | Supplementary search report drawn up and despatched |
Effective date: 20240920 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: H01B 11/10 20060101ALI20240916BHEP Ipc: H01Q 7/06 20060101ALI20240916BHEP Ipc: H01Q 1/38 20060101ALI20240916BHEP Ipc: H01Q 1/22 20060101ALI20240916BHEP Ipc: H01F 27/36 20060101ALI20240916BHEP Ipc: H01F 17/06 20060101ALI20240916BHEP Ipc: H01F 3/02 20060101ALI20240916BHEP Ipc: H01F 1/34 20060101AFI20240916BHEP |